Quote:
Originally posted by airspirit
What I mean is that max capacity of the pelt will be proportianally lowered with the voltage ... it won't try to pull more amps than it can use. My whole goal with this project was to lower the voltage of the loop forcing the pelt to draw lower amps. (Args, I don't know how to express this right). I want the max amp load of the pelt to be lower than the max output of the PSU. I guess that'll work.
BTW, do you know of anyplace that carries high power pots? Most places I have looked only carry the weenie .5W variety.
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I see what you're getting at, but you should note:
The PSU will always supply the same voltage, so whatever is not going to the pelt, goes to the resistor. That being said, if you lower the voltage to the pelt, it will draw less amps (so I was wrong) but what I was trying to say is that it's not linear, in that if you lower the voltage to the pelt by 25%, the amp draw from the pelt will NOT be 25%.
A power pot huh? Try searching for a rheostat.
I found something
here